<md-toolbar class="md-warn" ng-if="true">
    <div class="md-toolbar-tools">
        <md-button class="md-icon-button" ng-click="toggleLeft()">
            <i class="material-icons">menu</i>
        </md-button>
        <div flex layout='column' layout-align="space-between center">
        <h3>
        <span>{{title}}</span>
        </h3>
        </div>
    </div>
</md-toolbar>
